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Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 51 Configuring NDE
Configuring NDE
• You can use a loopback interface.
This example shows how to configure a loopback interface as the NDE flow source:
Router(config)# ip flow-export source loopback 0
Router(config)#
Configuring the NDE Destination
To configure the destination IP address and UDP port to receive the NDE statistics, perform this task:
Note NetFlow Multiple Export Destinations—To configure redundant NDE data streams, which improves the
probability of receiving complete NetFlow data, you can enter the ip flow-export destination command
twice and configure a different destination IP address in each command. This hardware and these
releases support the NetFlow Multiple Export Destinations feature:
• PFC3 and Release 12.2(18)SXE and later releases
• PFC2 and Release 12.2(18)SXD and later releases
Note that configuring two destinations increases the RP CPU utilization, as you are exporting the data
records twice.
This example shows how to configure the NDE flow destination IP address and UDP port:
Router(config)# ip flow-export destination 172.20.52.37 200
Note The destination address and UDP port number are saved in NVRAM and are preserved if NDE is
disabled and reenabled or if the router is power cycled. If you are using the NetFlow FlowCollector
application for data collection, verify that the UDP port number you configure is the same port number
shown in the FlowCollector’s /opt/csconfc/config/nfconfig.file file.
Configuring Netflow Flow Sampling
In 12.2(18)SXF and later releases, the MSFC supports NetFlow sampling for software-routed traffic.
For additional information, see the following document:
Cisco IOS NetFlow Configuration Guide.
Command Purpose
Router(config)# ip flow-export destination
ip_address
udp_port_number
Configures the NDE destination IP address and UDP port.
Router(config)# no ip flow-export destination
ip_address udp_port_number
Clears the NDE destination configuration.
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